Provided are an apparatus failure influence range recognition apparatus, an apparatus failure influence range recognition method, and a program capable of billing for a proper call charge for a call suspected of non-provision of a service. An apparatus failure influence range recognition apparatus includes a reception unit configured to receive apparatus failure information which is failure information of an element constituting a network, user information which is information regarding a user of a service, and call details information of an IP telephone, and a calculation unit configured to calculate, by linking the apparatus failure information, the user information, and the call details information with each other, a subtracted call charge with respect to a call charge for a suspected call influenced by an apparatus failure.
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April 11, 2019
November 1, 2022
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